Senior Network Engineer

Position Summary... At Walmart a line of code can change the way the world shops. With Walmart Global Tech, the Network Services DDI team drives competitive advantage by enhancing the customer journey, enabling business growth, and advancing operational excellence. The DDI team is accountable for the availability, stability and performance of Network Services including DNS, DHCP and NTP services. DDI services are exposed to systems in various locations such as Data Centers, Public Cloud, Stores, Distribution Centers and Home Office. Join our team of technologists and be on the forefront of a smarter future!

What youll do...

Job summary: Senior Network Engineer -- DDI

We are seeking a skilled DDI (DNS, DHCP, and IP Address Management) Engineer with strong expertise in Infoblox solutions and BIND DNS to join our DDI Engineering team. The ideal candidate will be responsible for designing, implementing, and maintaining DDI services that ensure highly available, secure, and scalable network services across the enterprise.

We are seeking a skilled DDI Engineer with hands-on experience in Infoblox and BIND DNS to manage and optimize our DNS, DHCP, and IP Address Management (IPAM) infrastructure. The ideal candidate will ensure high availability, security, and scalability of enterprise network services, while driving automation and integration with various other platforms. This role requires strong technical expertise in DNS/DHCP, proficiency with Infoblox solutions, and solid knowledge of BIND DNS administration.

About the team

At Walmart a line of code can change the way the world shops. With Walmart Global Tech, the Network Services DDI team drives competitive advantage by enhancing the customer journey, enabling business growth, and advancing operational excellence. The DDI team is accountable for the availability, stability and performance of Network Services including DNS, DHCP and NTP services. DDI services are exposed to systems in various locations such as Data Centers, Public Cloud, Stores, Distribution Centers and Home Office. Join our team of technologists and be on the forefront of a smarter future!

What You ll Do (3 to 5 brief pointers about the roles and responsibility)

• Manage, configure, and maintain Infoblox DDI solutions, including DNS, DHCP, and IPAM.
• Administer and troubleshoot BIND DNS servers in enterprise and cloud environments.
• Design and implement scalable DNS/DHCP architectures to support hybrid and global operations.
• Monitor and optimize DNS/DHCP performance, ensuring security, availability, and compliance.
• Integrate Infoblox and BIND services with automation, cloud, and platforms (Azure, GCP etc.,).
• Maintain IP address management, subnet allocations, and provide governance and compliance reporting.
• Support incident response and root cause analysis for DDI-related issues.
• Collaborate with network, systems, and security teams to align DNS/DHCP/IPAM with enterprise needs.
• Create and maintain operational documentation, SOPs, and automation scripts.

What You ll bring (3 to 5 brief pointers about the qualifications, exposures and experiences required for the role)

• Over 6-8 years of hands-on experience with DDI solutions (DNS, DHCP, IPAM).
• Strong knowledge of BIND DNS configuration, zone file management, and troubleshooting.
• In-depth understanding of DNS (BIND, Infoblox), DHCP (failover, HA), and IPAM concepts.
• Proficiency with Infoblox APIs and automation using Python/RESTful APIs.
• Familiarity with cloud-native DNS platforms (Azure DNS, GCP Cloud DNS).
• Excellent troubleshooting, problem-solving, and communication skills.

Preferred Qualifications

• Advanced experience in BIND DNS server management within large-scale environments.
• Infoblox Certified Professional (CPI, CPE, or CCA) certification.
• Exposure to automation frameworks (Ansible, Terraform, ServiceNow integrations).
• Familiarity with ITIL processes and enterprise-level change management.
• Experience supporting global enterprise or large scale networks.

About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That s what we do at Walmart Global Tech. We re a team of software engineers, data scientists, cybersecurity experts and service professionals within the world s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered.

We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Flexible, hybrid work
We use a hybrid way of working with primary in office presence coupled with an optimal mix of virtual presence. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives.

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.

Belonging

We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.

At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is and feels included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Equal Opportunity Employer

Walmart, Inc., is an Equal Opportunities Employer By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions while being inclusive of all people.

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Minimum Qualifications:Option 1: Bachelors degree in computer science, information technology, information systems, electrical engineering, or related area and 3 years experience in large-scale networking environments or related area.Option 2: 5 years experience in large scale networking environments or related area.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Master s degree in Computer Science, Information Technology, Information Systems, Electrical Engineering, or related area and 1 year experience in large scale networking environments or related area.

Information Technology - CISCO Certification - Certification Primary Location... G, 1, 3, 4, 5 Floor, Building 11, Sez, Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India